參考:https://www.cnblogs.com/expiator/p/9706017.html
1 啟動zookeeper

2 啟動kafka

3 創建topic consumer 與 producer 見上一章
4 查看group

.\bin\windows\kafka-consumer-groups.bat --bootstrap-server localhost:9092 --list
5 查看消費情況

.\bin\windows\kafka-consumer-groups.bat --describe --bootstrap-server localhost:9092 --group topic.group1
